标签：blog http io ar sp on div log bs
转自：http://zhidao.baidu.com/link?url=DCRUPZtmAyLDHno812YTk42-ahhFyrejkR98UIJzpPq3zYGoGJc6gNPxtq2SnWJPcHcW5Eatg4is9n2ol3DG5I9lueWMx1S_tMtlaeFF7G3
def solve(eq,var=‘x‘):
eq1 = eq.replace("=","-(")+")"
c = eval(eq1,{var:1j})
return -c.real/c.imag
>>> solve(‘2*x=5‘, ‘x‘)
2.5
equation = raw_input(‘enter equatino:‘)
try:
n1, n2 = equation.split(‘X=‘)
except ValueError:
n1, n2 = equation.split(‘x=‘)
print ‘answer is x=%.2f‘ % (float(n1)/float(n2))
标签：blog http io ar sp on div log bs
原文地址：http://www.cnblogs.com/cdsj/p/4156617.html
